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OJVRTM
Online Journal of
Veterinary Research©
Volume 21(10):669-675, 2017.
Prevalence of viral hemorrhagic septicemia
virus (Novirhabdovirus) in
rainbow trout (Onchorynchus mykiss).
Kourosh Khodadadi1*, Hamid Alidoosti2,
Ardeshir Ganji3, Fazlollah
Abbasi4, Elahe
Tajbakhsh5
1,2,4,5Faculty of Veterinary
Science, Islamic Azad University, 3Animal Disease Control and Monitoring, Shahrekord, Iran
ABSTRACT
Khodadadi K, Alidoosti H, Ganji A, Abbasi F, Tajbakhsh E., Prevalence of viral hemorrhagic septicemia virus
(Novirhabdovirus) in rainbow trout (Onchorynchus mykiss). Onl J Vet
Res., 21(9):669-675, 2017. Novirhobdovirus causes viral hemorrhagic septicemia (VHS)
in rainbow trout. Tissue samples (258) from
trout with symptoms of VHS from 84 aquacultural farms
around Bakhtiari, Iran were tested for virus by RT-PCR. Prevalence,
water temperature, season and body weight and fish size data were recorded. Twenty one samples (7.4%) proved positive.
Water temperature ranged 6.8°ϲ - 24.7°ϲ. Results suggested higher incidence of VHS in colder water (P <
0.163), older fish
(p=0.042) and lower body weight (P < 0.05)
KEY-WORDS: Rainbow trout, viral hemorrhagic septicemia, prevalence, RT-PCR.
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